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Howlett" , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Subject: Re: [PATCH 2/2] io_uring: introduce IORING_OP_MMAP Message-ID: <202601301341.PTetVieu-lkp@intel.com> References: <20260129221138.897715-3-krisman@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260129221138.897715-3-krisman@suse.de> X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 3C639100007 X-Stat-Signature: guentabdk8wuq3iy9nbgpnw9y5b3xhuk X-Rspam-User: X-HE-Tag: 1769753022-474148 X-HE-Meta: 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 JyVgqn7V gLK0BMSc6IQKai3YMXIIcZaPxpCsD28oOq5cfKZXUcZQAFNfIbac0mGj9h27uIb/dd7xhuVOwHJD6iSYGUOdXk4MpoW53IH8eGBdqc20BaB+flHjYGYc+FHuD6YyXZWpryr/Ddqv8PUxEgQ1L7wOP9gIp4GvmcyS+5CRvAcR6Sosedp0j3pAIGg1nfs0uu7qehjOX2PiyOUOgH6lLxkZQZBoiq/EGzmglUvJF0fbjl2HQnGxZGxNwq4NYo6bT9GFwDRSEi6I4E4IJvr2HPkGHRLS3l3FvpktHvWxoOR7GIDt1IokFrwwXWqLPEqtuLR/IE/p+IfMUk739cJX+35wzJE/Qo1K//MGBNBmEv3bP4TdW5CgMLODi5RyeqPvJw8gahgHW7BqcnIerqKO3GwgTUC9hVA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Gabriel, kernel test robot noticed the following build warnings: [auto build test WARNING on v6.19-rc7] [also build test WARNING on linus/master] [cannot apply to axboe/for-next next-20260129] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Gabriel-Krisman-Bertazi/io_uring-Support-commands-with-optional-file-descriptors/20260130-061445 base: v6.19-rc7 patch link: https://lore.kernel.org/r/20260129221138.897715-3-krisman%40suse.de patch subject: [PATCH 2/2] io_uring: introduce IORING_OP_MMAP config: m68k-randconfig-r122-20260130 (https://download.01.org/0day-ci/archive/20260130/202601301341.PTetVieu-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260130/202601301341.PTetVieu-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202601301341.PTetVieu-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> io_uring/mmap.c:116:36: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __user *addr @@ got void * @@ io_uring/mmap.c:116:36: sparse: expected void [noderef] __user *addr io_uring/mmap.c:116:36: sparse: got void * io_uring/mmap.c:125:44: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __user *addr @@ got void * @@ io_uring/mmap.c:125:44: sparse: expected void [noderef] __user *addr io_uring/mmap.c:125:44: sparse: got void * io_uring/mmap.c:130:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __user *addr @@ got void * @@ io_uring/mmap.c:130:28: sparse: expected void [noderef] __user *addr io_uring/mmap.c:130:28: sparse: got void * vim +116 io_uring/mmap.c 83 84 int io_mmap(struct io_kiocb *req, unsigned int issue_flags) 85 { 86 struct io_mmap_data *mmap = io_kiocb_to_cmd(req, struct io_mmap_data); 87 struct io_mmap_async *data = (struct io_mmap_async *) req->async_data; 88 int i, mapped, ret; 89 90 if (unlikely(mmap->flags & MAP_HUGETLB && req->file && 91 !is_file_hugepages(req->file))) { 92 ret = -EINVAL; 93 goto out; 94 } 95 96 for (i = 0; i < data->nr_maps; i++) { 97 struct io_uring_mmap_desc *desc = &data->maps[i]; 98 99 if (copy_from_user(desc, &mmap->uaddr[i], sizeof(*desc))) { 100 ret = -EFAULT; 101 goto out; 102 } 103 } 104 105 mapped = 0; 106 while (mapped < data->nr_maps) { 107 struct io_uring_mmap_desc *desc = &data->maps[mapped++]; 108 unsigned long flags = (mmap->flags | desc->flags); 109 unsigned long len = desc->len; 110 struct file *file = req->file; 111 112 /* These cannot be mixed and matched. need to be passed 113 * on the SQE. 114 */ 115 if (unlikely(desc->flags & (MAP_ANONYMOUS|MAP_HUGETLB))) { > 116 desc->addr = ERR_PTR(-EINVAL); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki